pos	ref	alt	in_target	n_oysters_with_alt	alt_freq_Pum	alt_freq_Qui	alt_freq_Rio	pop_differentiated	cpg_destroying	Pum1	Qui1	Qui2	Qui3	Qui4	Rio1	Rio2	Rio3	Rio4
20552144	G	T	False	1		0.1	0.0	False	False	0.00/2	0.00/2		0.00/4	0.25/4	0.00/1	0.00/1	0.00/3	0.00/2
20552206	G	T	False	1		0.091	0.0	False	False	0.00/3	0.00/3		0.25/4	0.00/4	0.00/1	0.00/1	0.00/6	0.00/3
20552209	G	T	False	1		0.083	0.0	False	False	0.00/3	0.00/4		0.25/4	0.00/4	0.00/1	0.00/1	0.00/6	0.00/3
20552210	G	T	False	1		0.083	0.0	False	False	0.00/3	0.00/4		0.25/4	0.00/4	0.00/1	0.00/1	0.00/6	0.00/3